Initial commit.

2021-05-24 22:18:33 +03:00
commit e2954d55f4
3701 changed files with 330017 additions and 0 deletions
@@ -0,0 +1,63 @@
+#!/usr/bin/env bash
+
+# -------------------------------------------------------------------------- #
+# Copyright 2002-2020, OpenNebula Project, OpenNebula Systems                #
+#                                                                            #
+# Licensed under the Apache License, Version 2.0 (the "License"); you may    #
+# not use this file except in compliance with the License. You may obtain    #
+# a copy of the License at                                                   #
+#                                                                            #
+# http://www.apache.org/licenses/LICENSE-2.0                                 #
+#                                                                            #
+# Unless required by applicable law or agreed to in writing, software        #
+# distributed under the License is distributed on an "AS IS" BASIS,          #
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
+# See the License for the specific language governing permissions and        #
+# limitations under the License.                                             #
+#--------------------------------------------------------------------------- #
+
+export DNS_VARIABLES="DNS $(env | sed 's/=.*$//' | grep -E '^ETH[0-9]+_DNS$' | sort)"
+
+export SEARCH_VARIABLES="SEARCH_DOMAIN $(env | sed 's/=.*$//' | grep -E '^ETH[0-9]+_SEARCH_DOMAIN$' | sort)"
+
+nameservers=$(
+    for var in ${DNS_VARIABLES}; do
+        value=$(eval "echo \"\${$var}\"")
+        if [ -n "$value" ]; then
+            echo "$value"
+        fi
+    done
+)
+
+searchdomains=$(
+    for var in ${SEARCH_VARIABLES}; do
+        value=$(eval "echo \"\${$var}\"")
+        if [ -n "$value" ]; then
+            echo "$value"
+        fi
+    done
+)
+
+[ -z "$nameservers" ] && exit 0
+
+if [ -L /etc/resolv.conf ]; then
+    unlink /etc/resolv.conf
+else
+    echo -n '' > /etc/resolv.conf
+fi
+
+for nameserver in $nameservers; do
+    echo nameserver $nameserver >> /etc/resolv.conf
+done
+
+if [ -f /etc/sysconfig/network/config ]; then
+    sed -i "/^NETCONFIG_DNS_STATIC_SERVERS=/ s/=.*$/=\"$nameservers\"/" /etc/sysconfig/network/config
+fi
+
+[ -z "$searchdomains" ] && exit 0
+
+echo search $searchdomains >> /etc/resolv.conf
+
+if [ -f /etc/sysconfig/network/config ]; then
+    sed -i "/^NETCONFIG_DNS_STATIC_SEARCHLIST=/ s/=.*$/=\"$searchdomains\"/" /etc/sysconfig/network/config
+fi